Crashes when I try to load up 13w47c

Incomplete without crash report ([minecraft|http://hopper.minecraft.net/help/finding-minecraft-data-folder]/crash-reports/crash-<DATE>-client.txt). Please attach it so that we can diagnose your issue.

I attached the file sorry i forgot to do that haha DERP

Duplicate of MC-40517 - If you have not, please use the search function in the future, to see if your bug has already been submitted. If you could not find the original report, please comment with the keywords you searched for.